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(No Model.) 1'2 Sheets-Sheet 1'.

J. V. BBEL;

EGG BEATER.

Norssmsst v Patented Mar. 19, 1895.

WITNESSES:

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(No Model.) 2 Sheets-Sheet; 2.

'JIREBEL.

Y I EGG BEAIER. No. 536,136. Patented Mar.19, 1895..

WITNESSES: v V l INVENTOR,

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TATES PATENT QFF-ICE.

JOH V. EBEL, OF PITTSBURG, PENNSYLVANIA, AssIGNoR o WoTnIRDs TO GEORGE E. LORCH AND LOUIS LOROI-I, JR, OF SAME PLACE.

EGG-BEATER.

SPECIFICATION forming part of Letters Patent No. 536,136, dated March 19, 1895. Application filed March 12, 1894. Serial No. 503,233. (No model.)

T at, whom it may concern: of previously cooled air down through the Be it known that I, JOHN V. EBEL, a citizen spindles and out through perforations in the of the United States, residing at Pittsburg, beater arms, and means for previously coolin the countyofAllegheny and State of Penning the air. It comprises further features of 5 5 sylvania, have invented or discovered a new construction ,and adjustment which will be and useful Improvement in Egg-Beaters, of described hereinafter.

which the following is a full, clear,and exact Referring now to the drawings, 2 is the updescription, referencebeing had to the accomright standard or frame, rigidly bolted to the vp anyingdrawings, forming part of this specibase 3, and supporting at its upper end the 60 1o fication, in which crank wheel 4, mounted on the shaft 5, which Figure l is a side elevation of my improved has a journal bearing 6. egg beater, partly broken away, showing the 7 is a sprocket wheel, also mounted on the pump cylinder and parts of the air passages shaft 5, connected by the chain 8 with the in section. Fig. 2 is a front elevation, showsmallersprocket wheel 9 mounted on the shaft 6 ing the lower bearing for the beater shafts in 10, journaled in the main upright at 11, and section. Fig. 3 is a horizontal cross section having keyed or otherwise secured to it the taken on the line III III of Fig. 1. Fig. 4 is larger bevel wheel 12. This wheel is in mesh a partial back elevation, similar to Fig. 2, with the two small bevel wheels 13 and 14, showing the crank arm and connection to the which are removably keyed to theiuner spin- 7o piston rod of the pump cylinder. Figs. 5 and dle l5 and outer spindle 16 respectively, carry- 6 are partial views in elevation, similar to ing on their lower ends the two sets of beater Fig. 1, showing the heaters in a lowered and arms 17 and 18, attached at their inner ends raised position respectively and illustrating to the hollow hubs 19 and 20, as shown in Fig. the means for driving and supplying air to 9. As shown in Figs. 5 and 9, both the spin- 2 5 them, and certain otherfeatures. of construcdles are made hollow for the purpose, as

tion in detail. Fig.7 isa horizontal cross secalready stated, of supplying air to the beater tion, on an enlarged scale, taken on the line arms, the inner spindle 15 passing down VII VII of Fig. 1. Fig. 8 is a plan view of through the outer spindle 16 and itself being the boaters, showing the shafts or stems in hollow for a little less than half its length.

0 section, the section being taken on the line The bevel wheels 13 and 14, have extension VIII VIII of Figrl. Fig. 9 is a vertical 'sechubs which inclose the inner andouter spintion, on an enlarged scale'of the lower ends dles respectively, and in which they are free of the shafts or stems, illustrating the attachto move vertically, this provision being for ment of the beater arms,andthe circulation the purpose of raising the beater arms into 8 5 of air thereto. theposition shown in Fig. 6,'for the removal Similar numerals of reference refer to like or insertion of the pan shown in dotted lines parts Wherever used throughout this specifiin Fig. 1. Keys 21 and 21' are permanently cation. I p secured to the spindles,'and when in a low- My invention consists in an improvement ered or operative position, illustrated in Figs. 0 40 in machinery for beating eggs, whereby the '1 and 5, these keys fall into register with desired result is accomplished in a much more corresponding sockets 22 and 22-, in the exrapid and efiicient manner, than has been postension hubs of the bevel wheels. The upsible heretofore. My machine is designed for per bevel wheel hub extension is fitted into a the purpose of beating large quantities of bearing 23, extending outwardly from the 5 eggs, and comprises essentially two sets of main' upright, and provided with a retainingbeater arms, designed to revolve in a hori collar 24, while the lower bevel wheel hub exzontalplanein close proximity to one another, tension has a bearing in a similar extension near to the bottom of the pan; also in means 24', but which is provided with an internal whereby the hollow shafts or spindles are annular chamber 25, to which airis furnished 50 caused totrevolve in opposite directions, tofrom the pump cylinder, and from which it gether with mechanism for forcing a current communicates through ports 26 in the hub extension, (held integral with the spindle 16 by the key 21') and through ports 27 in the spindle 16, and thence downwardly through the annular space 28, into the interior of the hollow hub 20, and thence outwardly through the hollow beater arms 29and through perforations 30 and end orifice 3i. The perforations 30 are located along the lower back portion of the arms 29, so that when they are revolving as shown by the arrows in Fig. 8, the air will escape outwardly and backwardly and the openings will not be liable to be filled up or clogged, as they would should the direction be reversed; and for the guidance of the operator the arrow Bis placed on the crank wheel 4. As already stated, the lower part of the spindle is also hollow, and provided with perforations 32, giving air communication from annular chamber 28, to its interior and finally to thehollow hub 19, similarly providcd with hollow beater arms 29 and perforations and in other respects similar to the beater arms secured to the hub 20, except that the perforations are located on the opposite side, in order to be on the back of the arms in their reverse revolution. It will be seen that the upper hub 20 rests upon the lower hub 19, so that when the inner spindle 15 is raised, as in Fig. 6, it will raise with it the upper hub 20, and outer spindle 16, thereby disengaging the keys 21 and 21 simultaneously, and allowing them to drop back into their sockets in the same manner.

I will now describe the air cooling and pumping apparatus.

is a bracket secured to the main upright of the machine, supporting an ice receptacle 34, provided with air inlet openings at its lower portion, a removable top 36, and an outlet pipe 37 leading to an inlet check valve located at the outer end of a passage in communication with the air pump cylinder 38. This cylinder is preferably cast integral with the upright frame 2, but may be made separate therefrom. It is provided with a plunger 30, stem 40, held in vertical alignment by the bearing 41 and actuated by the revolution of the crank wheel 4, to which it is attached by the same wrist pin that carries the crank handle, through connecting rod 42, adjustably attached to stem 40. Extending longitudinally through thecenter of the horizontal arm A of the main upright frame 2, is the air channel 43, communicating upwardly with the cylinder 38 through opening 44, having at its outer end the inlet check valve 45 in communication with the pipe 37 leading from the ice receptacle, and having at the other end the outlet check valve 46, in immediate communication with the annular chamber 25 in the bearing 24. Thus, when the plunger rises in the cylinder, air will be drawn through the check valve 45, from the ice receptacle 34, being cooled in its passage through a mass of cracked ice placed therein, while the check valve 46 will be closed under the action of 1 he spring until the plunger commences to go down, when the valve 45 will be closed and the valve 46 will be opened, allowing the air to enter the chamber 25, from which it will reach the beater arms as already described.

In operation, a substantially continuous current of cold air maybe maintained to the beater arms, and its How may be varied by the rapidity of operation of the machine. When desired, hot water may be introduced into the ice receptacle and forced through the ports and pump and beater arms for the purpose of cleansing them, and I have found this in practice, a very efficient cleansing operation.

The advantages of my improved machine will be appreciated by those skilled in the art. It is very simple and highly efficient in operation; being capable of beating alarger number of eggs in a shorter time and in a more perfect manner than has heretofore been possible, thus saving much time and labor. It is cheap to construct and not liable to get out of order, and may be builtof any desired size or capacity, and operated either by hand, or

power, if preferred, by the substitution of a pulley for the crank wheel 4.

Having described my invention, what I claim, and desire to secure by Letters Patent,

1. In an egg beating machine, the combination of a base,asingle standard frame rigidly secured thereto, a receptacle for an air cooling substance mounted on the frame, provided with air inlet. ports, a check valve controlled passage leading from itto the air pump, a check valve controlled passage leading from the air pump to an annular chamber surrounding the concentric spindles within their bearings, an air pump with a reciprocating piston and piston rod, a connecting rod attached to the piston rod and to the driving wheel of the machine, a driving wheel mounted on the main frame, carrying on its shaft a driving sprocket wheel, a sprocket chain connecting the driving sprocket Wheel with a driven sprocket wheel on the same shaft as the driving bevel wheel, a driving bevel wheel also mounted on the main frame, with two hollow concentric spindles to which are removably keyed two driven bevel gear wheels in mesh with the driving bevel wheel, and provided with hollow hubs and radial hollow perforated beater arms, the concentric spindles having vertical bearings in two extensions of the main frame, the lower bearing being hollow and in communication with the inlet port from the air pump, the spindles being capable of vertical movement, and the inner one being provided with akey registering with a slot in the hub extension of the upper driven bevel Wheel, substantially as set forth.

2. In an egg beating machine provided with a base, a single standard frame, a receptacle for an air cooling substance mounted on the frame, an air pump provided with a reciproeating piston and piston rod, a main driving wheel connected by a connecting rod with the.

pump, mounted on ashaft carrying asprocket wheel, a sprocket chain connecting said sprocket wheel with a driven sprocket Wheel mounted on the same shaft-witha driving 5 bevel gear wheel 12, the driven bevel gear wheels 13 and 14 removably keyed to the spindles, the hollow concentric spindles 15 and 16 vertically journaled in bearings 23 and 2a in communication with the air pump 38 and air 10 cooling receptacle 34, the spindles being provided with hollow hubs 19 and 20 hollow radial beater arms 29' and 29 provided with inclined perforations 30 and 30, hub 20 resting on'hub 19 substantially as set forth.

I5 3. In an egg beating machine, the hollow concentric spindles 15 and 16, an air pump 38 I in communication therewith, the spindles being provided at their bottoms with hollow hubs and radial hollow perforated beater arms, and being mounted in hollow bearings 20 23 and 24, the bevel wheels 13 and 14, provided with perforated hub extensions and de- JOHN v. EBEL.

Witnesses:

PHILIP Y. PENDLETON, C. M. CLARKE. 

